Answers

2016-04-17T11:26:15+05:30
The universe is everything we can touch,feel,sense,measure or detect.
Universe was born with the Big Bang as an unimaginably hot,dense point.
It includes planets,glaxies,the content of intergalactic space,the smallest sub-atomic particles,and all matter and energy. 
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2016-04-17T20:24:13+05:30
The vast empty space around us that consists of stars, solar system, galaxies etc is called Universe.
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